/*
 * Copyright 2008 Carnegie Mellon University
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, 
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package edu.cmu.lti.sepia.infra.topic;

import java.util.List;

import edu.cmu.lti.sepia.infra.topic.model.Nugget;
import edu.cmu.lti.sepia.infra.topic.model.Topic;

public class GoldStandardObjToTrecAnsKey {

  public static String export(List<Topic> topics) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < topics.size(); i++) {
      Topic t = topics.get(i);
      List<Nugget> nuggets = t.getNuggets();
      if (nuggets == null) continue;
      for (int j = 0; j < nuggets.size(); j++) {
        Nugget n = nuggets.get(j);
        if (n.isSimilar()) continue;
        sb.append(t.getExternalId() + " " + n.getText() + "\n");
      }
    }
    return sb.toString();
  }
  
}
